lkml.org 
[lkml]   [2014]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [for-next][PATCH 4/4] ftrace: Add more information to ftrace_bug() output
On Mon, Oct 27, 2014 at 02:27:06PM -0400, Steven Rostedt wrote:
> From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
>
> With the introduction of the dynamic trampolines, it is useful that if
> things go wrong that ftrace_bug() produces more information about what
> the current state is. This can help debug issues that may arise.
>
> Ftrace has lots of checks to make sure that the state of the system it
> touchs is exactly what it expects it to be. When it detects an abnormality
> it calls ftrace_bug() and disables itself to prevent any further damage.
> It is crucial that ftrace_bug() produces sufficient information that
> can be used to debug the situation.
>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

Acked-by: Borislav Petkov <bp@suse.de>

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
--


\
 
 \ /
  Last update: 2014-11-05 12:21    [W:0.132 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site